diff --git a/zcash_proofs/src/constants.rs b/zcash_proofs/src/constants.rs
index 5727ae385..da8a19be6 100644
--- a/zcash_proofs/src/constants.rs
+++ b/zcash_proofs/src/constants.rs
@@ -68,7 +68,7 @@ lazy_static! {
 
 /// Creates the 3-bit window table `[0, 1, ..., 8]` for different magnitudes of a fixed
 /// generator.
-fn generate_circuit_generator(mut gen: jubjub::SubgroupPoint) -> FixedGeneratorOwned {
+pub fn generate_circuit_generator(mut gen: jubjub::SubgroupPoint) -> FixedGeneratorOwned {
     let mut windows = vec![];
 
     for _ in 0..FIXED_BASE_CHUNKS_PER_GENERATOR {
diff --git a/zcash_proofs/src/lib.rs b/zcash_proofs/src/lib.rs
index 6d0476c57..157643079 100644
--- a/zcash_proofs/src/lib.rs
+++ b/zcash_proofs/src/lib.rs
@@ -19,7 +19,7 @@ use directories::BaseDirs;
 use std::path::PathBuf;
 
 pub mod circuit;
-mod constants;
+pub mod constants;
 mod hashreader;
 pub mod sapling;
 pub mod sprout;